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  3. Agriculture and Fisheries Committee. 1989. Report of trials & observations carried out in 1987. Department of Agriculture and Fisheries, Howard Davis Farm, Trinity, Jersey, UK;. 86pp.
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  7. AVRDC 1985. Effect of time, form, and concentration of nitrogen application on Chinese cabbage tipburn. Progress Report, Asian Vegetable Research and Development Center, 385-393 Tainan, Taiwan.
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  11. Balyan D.S., Singh J. 1994. Effect of nitrogen and zinc on production of cauliflower variety Snowball 16, Haryana Agricultural University Journal of Research, 24: 2 3, 88-92.
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